20642218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1493}}^1$

素因数の和:1749

約数の個数: 16

約数和(自身を含む): 32126976

約数和(自身を除く): 11484758

約数列:

[1, 2, 31, 62, 223, 446, 1493, 2986, 6913, 13826, 46283, 92566, 332939, 665878, 10321109, 20642218]

約数ペア:

[(1, 20642218), (2, 10321109), (31, 665878), (62, 332939), (223, 92566), (446, 46283), (1493, 13826), (2986, 6913)]